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87696330 = 2352923211
BaseRepresentation
bin1010011101000…
…10001111001010
320010000102202020
411032202033022
5134422240310
612411345310
72113256301
oct516421712
9203012666
1087696330
1145558607
1225452236
1315226527
14b90b438
157a74170
hex53a23ca

87696330 has 16 divisors (see below), whose sum is σ = 210471264. Its totient is φ = 23385680.

The previous prime is 87696299. The next prime is 87696331. The reversal of 87696330 is 3369678.

It is not an unprimeable number, because it can be changed into a prime (87696331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461576 + ... + 1461635.

It is an arithmetic number, because the mean of its divisors is an integer number (13154454).

Almost surely, 287696330 is an apocalyptic number.

87696330 is an abundant number, since it is smaller than the sum of its proper divisors (122774934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87696330 is a wasteful number, since it uses less digits than its factorization.

87696330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923221.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 87696330 is about 9364.6318667634. The cubic root of 87696330 is about 444.2837951098.

The spelling of 87696330 in words is "eighty-seven million, six hundred ninety-six thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2923211 5846422 8769633 14616055 17539266 29232110 43848165 87696330